cascadetocomponentassociationtest.java

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package org.hibernate.test.component.cascading.toone;

import junit.framework.Test;

import org.hibernate.junit.functional.FunctionalTestCase;
import org.hibernate.junit.functional.FunctionalTestClassTestSuite;
import org.hibernate.Session;

/**
 * {@inheritDoc}
 *
 * @author Steve Ebersole
 */
public class CascadeToComponentAssociationTest extends FunctionalTestCase {
	public CascadeToComponentAssociationTest(String string) {
		super( string );
	}

	public String[] getMappings() {
		return new String[] { "component/cascading/toone/Mappings.hbm.xml" };
	}

	public static Test suite() {
		return new FunctionalTestClassTestSuite( CascadeToComponentAssociationTest.class );
	}

	public void testMerging() {
		// step1, we create a document with owner
		Session session = openSession();
		session.beginTransaction();
		User user = new User();
		Document document = new Document();
		document.setOwner( user );
		session.persist( document );
		session.getTransaction().commit();
		session.close();

		// step2, we verify that the document has owner and that owner has no personal-info; then we detach
		session = openSession();
		session.beginTransaction();
		document = ( Document ) session.get( Document.class, document.getId() );
		assertNotNull( document.getOwner() );
		assertNull( document.getOwner().getPersonalInfo() );
		session.getTransaction().commit();
		session.close();

		// step3, try to specify the personal-info during detachment
		Address addr = new Address();
		addr.setStreet1( "123 6th St" );
		addr.setCity( "Austin" );
		addr.setState( "TX" );
		document.getOwner().setPersonalInfo( new PersonalInfo( addr ) );

		// step4 we merge the document
		session = openSession();
		session.beginTransaction();
		session.merge( document );
		session.getTransaction().commit();
		session.close();

		// step5, final test
		session = openSession();
		session.beginTransaction();
		document = ( Document ) session.get( Document.class, document.getId() );
		assertNotNull( document.getOwner() );
		assertNotNull( document.getOwner().getPersonalInfo() );
		assertNotNull( document.getOwner().getPersonalInfo().getHomeAddress() );
		session.getTransaction().commit();
		session.close();
	}
}